xtensa: xtfpga: add audio card to xtfpga DTS

This includes OpenCores I2C host controller, TI CDCE706 clock generator,
xtfpga I2S master controller, xtfpga SPI master controller, TI TLV320AIC23
audio codec and a simple audio card.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi
index dec9178..cd0b9e3 100644 (file)
--- a/arch/xtensa/boot/dts/xtfpga.dtsi
+++ b/arch/xtensa/boot/dts/xtfpga.dtsi
@@ -40,6 +40,12 @@
                        #clock-cells = <0>;
                        compatible = "fixed-clock";
                };
+
+               clk54: clk54 {
+                       #clock-cells = <0>;
+                       compatible = "fixed-clock";
+                       clock-frequency = <54000000>;
+               };
        };
 
        soc {
@@ -65,5 +71,63 @@
                        local-mac-address = [00 50 c2 13 6f 00];
                        clocks = <&osc>;
                };
+
+               i2s0: xtfpga-i2s@0d080000 {
+                       #sound-dai-cells = <0>;
+                       compatible = "cdns,xtfpga-i2s";
+                       reg = <0x0d080000 0x40>;
+                       interrupts = <2 1>; /* external irq 2 */
+                       clocks = <&cdce706 4>;
+               };
+
+               i2c0: i2c-master@0d090000 {
+                       compatible = "opencores,i2c-ocores";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x0d090000 0x20>;
+                       reg-shift = <2>;
+                       reg-io-width = <1>;
+                       interrupts = <4 1>;
+                       clocks = <&osc>;
+
+                       cdce706: clock-synth@69 {
+                               compatible = "ti,cdce706";
+                               #clock-cells = <1>;
+                               reg = <0x69>;
+                               clocks = <&clk54>;
+                               clock-names = "clk_in0";
+                       };
+               };
+
+               spi0: spi-master@0d0a0000 {
+                       compatible = "cdns,xtfpga-spi";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x0d0a0000 0xc>;
+
+                       tlv320aic23: sound-codec@0 {
+                               #sound-dai-cells = <0>;
+                               compatible = "tlv320aic23";
+                               reg = <0>;
+                               spi-max-frequency = <12500000>;
+                       };
+               };
+       };
+
+       sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,format = "i2s";
+               simple-audio-card,mclk-fs = <256>;
+
+               simple-audio-card,cpu {
+                       sound-dai = <&i2s0>;
+               };
+
+               simple-audio-card,codec {
+                       sound-dai = <&tlv320aic23>;
+                       simple-audio-card,bitclock-master = <0>;
+                       simple-audio-card,frame-master = <0>;
+                       clocks = <&cdce706 4>;
+               };
        };
 };